Find the Square of 2"X"+1/"X"+1 - Mathematics

Sum

Find the square of 2"x"+1/"x"+1

Solution

(2"x"+1/"x"+1)^2=(2"x")^2+(1/"x")^2+(1)^2 +2xx2"x"xx1 /"x"+2xx1/"x"xx1+2xx1xx2"x"

=4"x"^2+1/"x"^2+1+4+2/"x"+4"x"

=4"x"+1/"x"^2+5+2/"x"+4"x"

Concept: Expansion Form of Numbers
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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 12 Identities
Exercise 12 (B) | Q 2.07 | Page 152